526 lines
16 KiB
C
526 lines
16 KiB
C
/*
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* Shell DDE Handling
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*
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* Copyright 2004 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ddeml.h"
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#include "shellapi.h"
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#include "shobjidl.h"
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#include "shlwapi.h"
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#include "shell32_main.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/* String handles */
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static HSZ hszProgmanTopic;
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static HSZ hszProgmanService;
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static HSZ hszAsterisk;
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static HSZ hszShell;
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static HSZ hszAppProperties;
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static HSZ hszFolders;
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static HSZ hszGroups;
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/* DDE Instance ID */
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static DWORD dwDDEInst;
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static const char *debugstr_hsz( HSZ hsz )
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{
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WCHAR buffer[256];
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if (!DdeQueryStringW( dwDDEInst, hsz, buffer, ARRAY_SIZE(buffer), CP_WINUNICODE ))
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return "<unknown>";
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return debugstr_w( buffer );
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}
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static inline BOOL Dde_OnConnect(HSZ hszTopic, HSZ hszService)
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{
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if ((hszTopic == hszProgmanTopic) && (hszService == hszProgmanService))
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return TRUE;
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if ((hszTopic == hszProgmanTopic) && (hszService == hszAppProperties))
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return TRUE;
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if ((hszTopic == hszShell) && (hszService == hszFolders))
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return TRUE;
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if ((hszTopic == hszShell) && (hszService == hszAppProperties))
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return TRUE;
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return FALSE;
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}
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static inline void Dde_OnConnectConfirm(HCONV hconv, HSZ hszTopic, HSZ hszService)
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{
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TRACE( "%p %s %s\n", hconv, debugstr_hsz(hszTopic), debugstr_hsz(hszService) );
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}
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static inline BOOL Dde_OnWildConnect(HSZ hszTopic, HSZ hszService)
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{
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FIXME("stub\n");
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return FALSE;
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}
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/* Returned string must be freed by caller */
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static WCHAR *get_programs_path(const WCHAR *name)
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{
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static const WCHAR slashW[] = {'/',0};
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WCHAR *programs, *path;
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int len;
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SHGetKnownFolderPath(&FOLDERID_Programs, 0, NULL, &programs);
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len = lstrlenW(programs) + 1 + lstrlenW(name);
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path = heap_alloc((len + 1) * sizeof(*path));
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lstrcpyW(path, programs);
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lstrcatW(path, slashW);
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lstrcatW(path, name);
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CoTaskMemFree(programs);
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return path;
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}
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static inline HDDEDATA Dde_OnRequest(UINT uFmt, HCONV hconv, HSZ hszTopic,
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HSZ hszItem)
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{
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if (hszTopic == hszProgmanTopic && hszItem == hszGroups && uFmt == CF_TEXT)
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{
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static const WCHAR asteriskW[] = {'*',0};
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static const WCHAR newlineW[] = {'\r','\n',0};
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static const WCHAR dotW[] = {'.',0};
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static const WCHAR dotdotW[] = {'.','.',0};
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WCHAR *programs;
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WIN32_FIND_DATAW finddata;
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HANDLE hfind;
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int len = 1;
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WCHAR *groups_data = heap_alloc(sizeof(WCHAR));
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char *groups_dataA;
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HDDEDATA ret;
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groups_data[0] = 0;
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programs = get_programs_path(asteriskW);
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hfind = FindFirstFileW(programs, &finddata);
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if (hfind)
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{
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do
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{
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if ((finddata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
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lstrcmpW(finddata.cFileName, dotW) && lstrcmpW(finddata.cFileName, dotdotW))
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{
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len += lstrlenW(finddata.cFileName) + 2;
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groups_data = heap_realloc(groups_data, len * sizeof(WCHAR));
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lstrcatW(groups_data, finddata.cFileName);
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lstrcatW(groups_data, newlineW);
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}
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} while (FindNextFileW(hfind, &finddata));
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FindClose(hfind);
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}
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len = WideCharToMultiByte(CP_ACP, 0, groups_data, -1, NULL, 0, NULL, NULL);
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groups_dataA = heap_alloc(len * sizeof(WCHAR));
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WideCharToMultiByte(CP_ACP, 0, groups_data, -1, groups_dataA, len, NULL, NULL);
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ret = DdeCreateDataHandle(dwDDEInst, (BYTE *)groups_dataA, len, 0, hszGroups, uFmt, 0);
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heap_free(groups_dataA);
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heap_free(groups_data);
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heap_free(programs);
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return ret;
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}
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else if (hszTopic == hszProgmanTopic && hszItem == hszProgmanService && uFmt == CF_TEXT)
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{
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static BYTE groups_data[] = "\r\n";
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FIXME( "returning empty groups list\n" );
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/* This is a workaround for an application which expects some data
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* and cannot handle NULL. */
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return DdeCreateDataHandle( dwDDEInst, groups_data, sizeof(groups_data), 0, hszProgmanService, uFmt, 0 );
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}
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FIXME( "%u %p %s %s: stub\n", uFmt, hconv, debugstr_hsz(hszTopic), debugstr_hsz(hszItem) );
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return NULL;
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}
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static DWORD PROGMAN_OnExecute(WCHAR *command, int argc, WCHAR **argv)
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{
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static const WCHAR create_groupW[] = {'C','r','e','a','t','e','G','r','o','u','p',0};
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static const WCHAR delete_groupW[] = {'D','e','l','e','t','e','G','r','o','u','p',0};
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static const WCHAR show_groupW[] = {'S','h','o','w','G','r','o','u','p',0};
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static const WCHAR add_itemW[] = {'A','d','d','I','t','e','m',0};
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static const WCHAR delete_itemW[] = {'D','e','l','e','t','e','I','t','e','m',0};
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static const WCHAR replace_itemW[] = {'R','e','p','l','a','c','e','I','t','e','m',0};
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static const WCHAR exit_progmanW[] = {'E','x','i','t','P','r','o','g','m','a','n',0};
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static const WCHAR dotexeW[] = {'.','e','x','e',0};
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static const WCHAR dotlnkW[] = {'.','l','n','k',0};
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static const WCHAR slashW[] = {'/',0};
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static WCHAR *last_group;
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if (!strcmpiW(command, create_groupW))
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{
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WCHAR *path;
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if (argc < 1) return DDE_FNOTPROCESSED;
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path = get_programs_path(argv[0]);
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CreateDirectoryW(path, NULL);
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ShellExecuteW(NULL, NULL, path, NULL, NULL, SW_SHOWNORMAL);
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heap_free(last_group);
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last_group = path;
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}
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else if (!strcmpiW(command, delete_groupW))
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{
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WCHAR *path, *path2;
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SHFILEOPSTRUCTW shfos = {0};
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int ret;
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if (argc < 1) return DDE_FNOTPROCESSED;
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path = get_programs_path(argv[0]);
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path2 = heap_alloc((strlenW(path) + 2) * sizeof(*path));
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strcpyW(path2, path);
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path2[strlenW(path) + 1] = 0;
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shfos.wFunc = FO_DELETE;
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shfos.pFrom = path2;
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shfos.fFlags = FOF_NOCONFIRMATION;
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ret = SHFileOperationW(&shfos);
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heap_free(path2);
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heap_free(path);
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if (ret || shfos.fAnyOperationsAborted) return DDE_FNOTPROCESSED;
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}
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else if (!strcmpiW(command, show_groupW))
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{
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WCHAR *path;
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/* Win32 requires the second parameter to be present but seems to
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* ignore its actual value. */
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if (argc < 2) return DDE_FNOTPROCESSED;
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path = get_programs_path(argv[0]);
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ShellExecuteW(NULL, NULL, path, NULL, NULL, SW_SHOWNORMAL);
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heap_free(last_group);
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last_group = path;
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}
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else if (!strcmpiW(command, add_itemW))
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{
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WCHAR *path, *name;
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DWORD len;
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IShellLinkW *link;
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IPersistFile *file;
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HRESULT hres;
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if (argc < 1) return DDE_FNOTPROCESSED;
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hres = CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
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&IID_IShellLinkW, (void **)&link);
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if (FAILED(hres)) return DDE_FNOTPROCESSED;
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len = SearchPathW(NULL, argv[0], dotexeW, 0, NULL, NULL);
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if (len == 0)
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{
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IShellLinkW_Release(link);
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return DDE_FNOTPROCESSED;
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}
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path = heap_alloc(len * sizeof(WCHAR));
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SearchPathW(NULL, argv[0], dotexeW, len, path, NULL);
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IShellLinkW_SetPath(link, path);
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heap_free(path);
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if (argc >= 2) IShellLinkW_SetDescription(link, argv[1]);
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if (argc >= 4) IShellLinkW_SetIconLocation(link, argv[2], atoiW(argv[3]));
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if (argc >= 7) IShellLinkW_SetWorkingDirectory(link, argv[6]);
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if (argc >= 8) IShellLinkW_SetHotkey(link, atoiW(argv[7]));
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if (argc >= 9)
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{
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if (atoiW(argv[8]) == 0) IShellLinkW_SetShowCmd(link, SW_SHOWMINNOACTIVE);
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else if (atoiW(argv[8]) == 1) IShellLinkW_SetShowCmd(link, SW_SHOWNORMAL);
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}
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hres = IShellLinkW_QueryInterface(link, &IID_IPersistFile, (void **)&file);
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if (FAILED(hres))
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{
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IShellLinkW_Release(link);
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return DDE_FNOTPROCESSED;
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}
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if (argc >= 2)
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{
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name = heap_alloc((strlenW(last_group) + 1 + strlenW(argv[1]) + 5) * sizeof(*name));
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lstrcpyW(name, last_group);
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lstrcatW(name, slashW);
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lstrcatW(name, argv[1]);
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lstrcatW(name, dotlnkW);
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}
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else
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{
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const WCHAR *filename = PathFindFileNameW(argv[0]);
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int len = PathFindExtensionW(filename) - filename;
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name = heap_alloc((strlenW(last_group) + 1 + len + 5) * sizeof(*name));
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lstrcpyW(name, last_group);
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lstrcatW(name, slashW);
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lstrcpynW(name+strlenW(name), filename, len + 1);
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lstrcatW(name, dotlnkW);
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}
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hres = IPersistFile_Save(file, name, TRUE);
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heap_free(name);
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IPersistFile_Release(file);
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IShellLinkW_Release(link);
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if (FAILED(hres)) return DDE_FNOTPROCESSED;
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}
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else if (!strcmpiW(command, delete_itemW) || !strcmpiW(command, replace_itemW))
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{
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WCHAR *name;
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BOOL ret;
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if (argc < 1) return DDE_FNOTPROCESSED;
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name = heap_alloc((strlenW(last_group) + 1 + strlenW(argv[0]) + 5) * sizeof(*name));
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lstrcpyW(name, last_group);
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lstrcatW(name, slashW);
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lstrcatW(name, argv[0]);
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lstrcatW(name, dotlnkW);
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ret = DeleteFileW(name);
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heap_free(name);
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if (!ret) return DDE_FNOTPROCESSED;
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}
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else if (!strcmpiW(command, exit_progmanW))
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{
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/* do nothing */
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}
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else
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{
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FIXME("unhandled command %s\n", debugstr_w(command));
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return DDE_FNOTPROCESSED;
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}
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return DDE_FACK;
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}
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static DWORD parse_dde_command(HSZ hszTopic, WCHAR *command)
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{
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static const WCHAR opcode_end[] = {' ',',','(',')','[',']','"',0};
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static const WCHAR param_end[] = {',','(',')','[',']',0};
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WCHAR *original = command;
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WCHAR *opcode = NULL, **argv = NULL, *p;
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int argc = 0, i;
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DWORD ret = DDE_FACK;
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while (*command == ' ') command++;
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if (*command != '[') goto error;
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while (*command == '[')
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{
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argc = 0;
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argv = heap_alloc(sizeof(*argv));
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command++;
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while (*command == ' ') command++;
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if (!(p = strpbrkW(command, opcode_end))) goto error;
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opcode = strndupW(command, p - command);
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command = p;
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while (*command == ' ') command++;
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if (*command == '(')
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{
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command++;
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while (*command != ')')
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{
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while (*command == ' ') command++;
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if (*command == '"')
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{
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command++;
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if (!(p = strchrW(command, '"'))) goto error;
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}
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else
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{
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if (!(p = strpbrkW(command, param_end))) goto error;
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while (p[-1] == ' ') p--;
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}
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argc++;
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argv = heap_realloc(argv, argc * sizeof(*argv));
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argv[argc-1] = strndupW(command, p - command);
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command = p;
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if (*command == '"') command++;
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while (*command == ' ') command++;
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if (*command == ',') command++;
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else if (*command != ')') goto error;
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}
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command++;
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while (*command == ' ') command++;
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}
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if (*command != ']') goto error;
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command++;
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while (*command == ' ') command++;
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if (hszTopic == hszProgmanTopic)
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ret = PROGMAN_OnExecute(opcode, argc, argv);
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else
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{
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FIXME("unhandled topic %s, command %s\n", debugstr_hsz(hszTopic), debugstr_w(opcode));
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ret = DDE_FNOTPROCESSED;
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}
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heap_free(opcode);
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for (i = 0; i < argc; i++) heap_free(argv[i]);
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heap_free(argv);
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if (ret == DDE_FNOTPROCESSED) break;
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}
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return ret;
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error:
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ERR("failed to parse command %s\n", debugstr_w(original));
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heap_free(opcode);
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for (i = 0; i < argc; i++) heap_free(argv[i]);
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heap_free(argv);
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return DDE_FNOTPROCESSED;
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}
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static DWORD Dde_OnExecute(HCONV hconv, HSZ hszTopic, HDDEDATA hdata)
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{
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WCHAR *command;
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DWORD len;
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DWORD ret;
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len = DdeGetData(hdata, NULL, 0, 0);
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if (!len) return DDE_FNOTPROCESSED;
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command = heap_alloc(len);
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DdeGetData(hdata, (BYTE *)command, len, 0);
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TRACE("conv=%p topic=%s data=%s\n", hconv, debugstr_hsz(hszTopic), debugstr_w(command));
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ret = parse_dde_command(hszTopic, command);
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heap_free(command);
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return ret;
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}
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static inline void Dde_OnDisconnect(HCONV hconv)
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{
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TRACE( "%p\n", hconv );
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}
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static HDDEDATA CALLBACK DdeCallback(
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UINT uType,
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UINT uFmt,
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HCONV hconv,
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HSZ hsz1,
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HSZ hsz2,
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HDDEDATA hdata,
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ULONG_PTR dwData1,
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ULONG_PTR dwData2)
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{
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switch (uType)
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{
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case XTYP_CONNECT:
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return (HDDEDATA)(DWORD_PTR)Dde_OnConnect(hsz1, hsz2);
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case XTYP_CONNECT_CONFIRM:
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Dde_OnConnectConfirm(hconv, hsz1, hsz2);
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return NULL;
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case XTYP_WILDCONNECT:
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return (HDDEDATA)(DWORD_PTR)Dde_OnWildConnect(hsz1, hsz2);
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case XTYP_REQUEST:
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return Dde_OnRequest(uFmt, hconv, hsz1, hsz2);
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case XTYP_EXECUTE:
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return (HDDEDATA)(DWORD_PTR)Dde_OnExecute(hconv, hsz1, hdata);
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case XTYP_DISCONNECT:
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Dde_OnDisconnect(hconv);
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return NULL;
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default:
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return NULL;
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}
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}
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/*************************************************************************
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* ShellDDEInit (SHELL32.@)
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*
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* Registers the Shell DDE services with the system so that applications
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* can use them.
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*
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* PARAMS
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* bInit [I] TRUE to initialize the services, FALSE to uninitialize.
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*
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* RETURNS
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* Nothing.
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*/
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void WINAPI ShellDDEInit(BOOL bInit)
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{
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TRACE("bInit = %s\n", bInit ? "TRUE" : "FALSE");
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if (bInit)
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{
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static const WCHAR wszProgman[] = {'P','r','o','g','m','a','n',0};
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static const WCHAR wszAsterisk[] = {'*',0};
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static const WCHAR wszShell[] = {'S','h','e','l','l',0};
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static const WCHAR wszAppProperties[] =
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{'A','p','p','P','r','o','p','e','r','t','i','e','s',0};
|
|
static const WCHAR wszFolders[] = {'F','o','l','d','e','r','s',0};
|
|
static const WCHAR wszGroups[] = {'G','r','o','u','p','s',0};
|
|
|
|
DdeInitializeW(&dwDDEInst, DdeCallback, CBF_FAIL_ADVISES | CBF_FAIL_POKES, 0);
|
|
|
|
hszProgmanTopic = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
|
|
hszProgmanService = DdeCreateStringHandleW(dwDDEInst, wszProgman, CP_WINUNICODE);
|
|
hszAsterisk = DdeCreateStringHandleW(dwDDEInst, wszAsterisk, CP_WINUNICODE);
|
|
hszShell = DdeCreateStringHandleW(dwDDEInst, wszShell, CP_WINUNICODE);
|
|
hszAppProperties = DdeCreateStringHandleW(dwDDEInst, wszAppProperties, CP_WINUNICODE);
|
|
hszFolders = DdeCreateStringHandleW(dwDDEInst, wszFolders, CP_WINUNICODE);
|
|
hszGroups = DdeCreateStringHandleW(dwDDEInst, wszGroups, CP_WINUNICODE);
|
|
|
|
DdeNameService(dwDDEInst, hszFolders, 0, DNS_REGISTER);
|
|
DdeNameService(dwDDEInst, hszProgmanService, 0, DNS_REGISTER);
|
|
DdeNameService(dwDDEInst, hszShell, 0, DNS_REGISTER);
|
|
}
|
|
else
|
|
{
|
|
/* unregister all services */
|
|
DdeNameService(dwDDEInst, 0, 0, DNS_UNREGISTER);
|
|
|
|
DdeFreeStringHandle(dwDDEInst, hszFolders);
|
|
DdeFreeStringHandle(dwDDEInst, hszAppProperties);
|
|
DdeFreeStringHandle(dwDDEInst, hszShell);
|
|
DdeFreeStringHandle(dwDDEInst, hszAsterisk);
|
|
DdeFreeStringHandle(dwDDEInst, hszProgmanService);
|
|
DdeFreeStringHandle(dwDDEInst, hszProgmanTopic);
|
|
|
|
DdeUninitialize(dwDDEInst);
|
|
}
|
|
}
|